Home / 90,770.77-125,262.96-49,934.02

Finding the Fourth Proportional to 90,770.77, 125,262.96 and 49,934.02

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Solution

The fourth proportional to 90,770.77, 125,262.96 and 49,934.02 is: 68,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,770.77 : 125,262.96 = 49,934.02 : x
  2. Step 2: Convert to fraction form
    90,770.77/125,262.96 = 49,934.02/x
  3. Step 3: Cross multiply
    90,770.77x = 125,262.96 × 49,934.02
  4. Step 4: Simplify right side
    90,770.77x = 6,254,882,523.58
  5. Step 5: Solve for x
    x = 6,254,882,523.58/90,770.77
  6. Step 6: Final answer
    x = 68,908.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.